GI2010 symposium-stark (tele-addr)

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10. Sächsisches GIS-Forum
Dresden: 13./14.05.2010

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GI2010 symposium-stark (tele-addr)

  1. 1. 10. SÄCHSISCHES GIS-FORUM- DRESDEN An OpenGeodata Project: OpenAddresses Prof. Hans-Jörg Stark hansjoerg.stark@openaddresses.org This presentation has been transmitted remotely as TELE lecture from Uni-MUTTENZ (CH) using „BizBiz-Tool“ via University of RIGA (LV)14.05.2010 10. Sächsisches GIS-Forum 1
  2. 2. Georeferenced Street Addresses (At least) One address per building containing streetname, housenumber, postcode, placename Important for micro-geospatial analysis Availability – yes, of course! Accessibility – well, sort of… Alternatives: Interpolated navigation-data14.05.2010 10. Sächsisches GIS-Forum 2
  3. 3. OpenWebMapServices (OWMS) GeocodersNot too bad – but not too good either:Geocoding 90483 addresses (Canton Solothurn): – Google Maps: • 79785 addresses (88.5%) at streetlevel • 69131 (76.7%) < 20m distance to official data – Microsoft Bing Maps: • 77392 addresses (85.8%) at streetlevel • 36770 (40.8%) < 20m distance to official data14.05.2010 10. Sächsisches GIS-Forum 3
  4. 4. OpenAddresses.org – The Project Idea: − Take advantage of individual‘s local expertise and collect this knowledge via Internet − collected data is freely available & accessible Implementation (since 2010): − MapFish (GUI) − PostgreSQL/PostGIS (Database) − Python (Server), JavaScript (Client)14.05.2010 10. Sächsisches GIS-Forum 4
  5. 5. OpenAddresses.org – History Jul 07: Idea: collect addresses via GM API Aug 07: First version www.openaddresses.ch Jul 08: www.openaddresses.at online Dec 08: Start Map Your World … Mar 10: OpenAddresses.org live14.05.2010 10. Sächsisches GIS-Forum 5
  6. 6. OpenAddresses.org ……is an OpenSource portal for geocoded addresses globally… stores only address-information – no personal information… is compliant with OpenStreetMap… offers services for geocoding and reverse-geocoding… offers download service for OA data14.05.2010 10. Sächsisches GIS-Forum 6
  7. 7. Ar e Morges / Lausanne(USA) Washington (AUT) Villach (SUI) Schweiz a s of In te r e st14.05.2010 10. Sächsisches GIS-Forum 7
  8. 8. OpenAddresses offers further…Project-Wiki: http://code.google.com/p/openaddressesDiscussion: http://groups.google.com/group/OpenAddressesRegistration of Orthophoto WMSUpload of existing geocoded address-dataset14.05.2010 10. Sächsisches GIS-Forum 8
  9. 9. What‘s going on in OpenAddresses?Currently: 11‘012‘244 geocoded addresses235 website-visitors per day14.05.2010 10. Sächsisches GIS-Forum 9
  10. 10. Research around OpenAddressesQuality assessment ISO/TC 211 based:Using OWMS for attribute and positional accuracy14.05.2010 10. Sächsisches GIS-Forum 10
  11. 11. visit and join www.openaddresses.org hansjoerg.stark@openaddresses.org14.05.2010 10. Sächsisches GIS-Forum 11

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